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aalyn [17]
3 years ago
6

What is evolution? brainliest

Biology
1 answer:
Sedaia [141]3 years ago
3 0

Answer:

Evolution is change in the heritable characteristics of biological populations over successive generations.

Explanation:

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The ozone layer protects life on Earth by absorbing harmful ultraviolet radiation. The ozone layer is located between 17 kilomet
Zolol [24]
The correct answer is (2) - Stratosphere. Ozone is found in the stratosphere , a layer beginning between 6 and 10 miles above the earth's surface and extends upward to about 30 mile above the surface of he earth. The ozone that is found in the stratosphere absorbs most of he harmful ultraviolet sunlight and is thus called the "good ozone" Ozone is also found in the lower region of the atmosphere known as the troposphere. But the ozone here strongly reacts with molecules causing toxicity in plants. The ozone is therefore termed as "bad ozone."
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3 years ago
How do we know that humans<br> are causing the Earth to warm<br> and the climate to change?
Serga [27]

Explanation:

we can track climate patterns back to us on earth and the excessive use of fossil fuels and other gasses contribute to this - its basically proven that we are the reason climate change is a thing. climate will change by itself by us humans are causing this to be much faster than it should be

6 0
2 years ago
Why is the mixing of fresh water and salt water in the bay important?
Setler [38]

Answer:

When the salt water is mixed with fresh water,it is called brakish water which have the salinity 0.5 to 35 ppt.

Explanation:

The mixing of fresh and salt water is important for aquatic organisms.

The catadromous fish born in marine habitat but they spend their rest of life in the fresh water where growing and maturation takes place.

Ex- Eel is the common example of catadromous fish.

Like wise,

Anadromous fish born in fresh water and spends their life in the sea and return to fresh water for spawning.

For example Salmon, smelt, shad, are common examples.

Thus mixing of water is important for breeding and growing of these fishes.

More over, the brakish water contain world's most diversified life forms.

7 0
3 years ago
Cells require a structure that regulates the transfer of material in and out of the cell. This structure is the –
FromTheMoon [43]
Cells require a structure that regulates the transfer of material in and out of the cell. This structure is the –

Cell membrane.
3 0
2 years ago
In a condition known as sunstroke, the victim appears flushed, the skin is warm and dry, and the body temperature rises dramatic
katrin [286]

Answer:

In case of sunstroke the body is unable to sweat because the body is dehydrated.

The temperature of the body won't increase further because there can be no more evaporation in body as it cannot sweat more from the skin surface.

The skin dissipates the heat and cools the body preventing the overheating of the body.

The skin appears to be red in color because the blood is dilated and dissipiated into the whole body for cooling.

8 0
3 years ago
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